KPFF Consulting Engineers, Thornton Tomasetti, Buro Happold, WSP, Kohler Ronan, Arup US, DeSimone Consulting Engineering, Walter P Moore, and Alfa Tech Consulting Engineers top Building Design+Construction's ranking of the nation's largest museum and gallery engineering and engineering/architecture (EA) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

Source: Building Design+Construction's 2026 Giants 400 Report